There have been multiple accounts created with the sole purpose of posting advertisement posts or replies containing unsolicited advertising.
Accounts which solely post advertisements, or persistently post them may be terminated.
Skua , 4 hours ago Apparently there was an idea about two comets interacting with the hydrogen cloud proposed in 2017, maybe that's what you're thinking of? https://web.archive.org/web/20220509154206/http://planetary-science.org/research/the-wow-signal/
Apparently there was an idea about two comets interacting with the hydrogen cloud proposed in 2017, maybe that's what you're thinking of? https://web.archive.org/web/20220509154206/http://planetary-science.org/research/the-wow-signal/